Harish Kothari

At the University of Chicago, medical technician Harish Kothari fills test tubes with serum and a reagent which will be mixed to determine the levels of vitamin D in a person's blood.

At the University of Chicago, medical technician Harish Kothari fills test tubes with serum and a reagent which will be mixed to determine the levels of vitamin D in a person's blood. (Nancy Stone, Chicago Tribune)

At the University of Chicago, medical technician Harish Kothari fills test tubes with serum and a reagent which will be mixed to determine the levels of vitamin D in a person's blood.